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Optical constants of OHARA - PBH (Plumbate, high-index)
PBH53
Wavelength:
µm
(0.3 – 2.4)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.2498918-0.010466366λ^{2}+0.048000686λ^{-2}+0.0031859922λ^{-4}-0.00015447369λ^{-6}+2.6258671\text{×}10^{-05}λ^{-8}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 25.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 1.722e-05 0.0 0.0 0.0 0.0 0.0
nd: 1.846658
Vd: 23.885544
glass_code: 847239
glass_status: preferred
density: 5.53 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 7.8e-06 K-1
- temperature_range: 20 300 °C
coefficient: 8.7e-06 K-1
dPgF: 0.0134
acid_resistance: 52.2
phosphate_resistance: 3.2
References
OHARA Zemax catalog 2017-11-30 (obtained from http://www.ohara-inc.co.jp)
See also OHARA glass data sheets